This is classic NPD behavior
What he is trying to do is present himself as relaxed
Im just chuggin some cans dude
Im totally relaxed
Now In eatin my muffin heheheh Im so relaxed, I am not phased at all by anything or anyone
What I have to say isnt out of anger, you can see with all my cans that I am not angry, so that means everything I say is rational and logical because I am so calm and collected